net.anotheria.extensions.php.mappers.StatsValues Maven / Gradle / Ivy
package net.anotheria.extensions.php.mappers;
import net.anotheria.extensions.php.exceptions.ValueNotFoundException;
import java.util.HashMap;
import java.util.Map;
/**
* Stores stats values data.
*/
public class StatsValues extends HashMap {
/**
* Helper method to parse string representation
* of value item to number or boolean type
* @param value string representation of value item
* @return parsed value item
*/
private Object parseValue(String value) {
// Try to parse value as number
try {
return Double.valueOf(value);
} catch (NumberFormatException ignored){}
if (value.equals("true") || value.equals("false"))
return Boolean.valueOf(value);
throw new IllegalArgumentException("Only number or boolean stats values allowed");
}
/**
* Constructor to instantiate values map by map
* with strings values items representation
*
* @param m source of values
*/
public StatsValues(Map m) {
for (Entry entry : m.entrySet())
put(entry.getKey(), parseValue(entry.getValue()));
}
/**
* Returns value by given key as long
* @param key key of value
* @return long value by given key
* @throws ClassCastException if value type is not numeric
* @throws ValueNotFoundException if value with such key is not found
*/
public long getAsLong(String key) throws ClassCastException, ValueNotFoundException {
Object value = get(key);
if(value == null)
throw new ValueNotFoundException("Value with key " + key + " is not found");
return ((Number) value).longValue();
}
/**
* Returns value by given key as double
* @param key key of value
* @return double value by given key
* @throws ClassCastException if value type is not numeric
* @throws ValueNotFoundException if value with such key is not found
*/
public double getAsDouble(String key) throws ClassCastException, ValueNotFoundException {
Object value = get(key);
if(value == null)
throw new ValueNotFoundException("Value with key " + key + " is not found");
return ((Number) value).doubleValue();
}
/**
* Returns value by given key as boolean
* @param key key of value
* @return boolean value by given key
* @throws ClassCastException if value type is not boolean
* @throws ValueNotFoundException if value with such key is not found
*/
public boolean getAsBoolean(String key) throws ClassCastException, ValueNotFoundException {
Object value = get(key);
if(value == null)
throw new ValueNotFoundException("Value with key " + key + " is not found");
return ((Boolean) value);
}
/**
* Returns value by given key as long
* or second method argument if value with such key is not present
* @param key key of value
* @param defaultValue to be returned if value with given key is not present
* @return long value by given key or default value
* @throws ClassCastException if value present and it type is not long
*/
public long getAsLongOrDefault(String key, long defaultValue)
throws ClassCastException, ValueNotFoundException {
Object value = get(key);
if(value == null)
return defaultValue;
return ((Number) value).longValue();
}
/**
* Returns value by given key as double
* or second method argument if value with such key is not present
* @param key key of value
* @param defaultValue to be returned if value with given key is not present
* @return long value by given key or default value
* @throws ClassCastException if value present and it type is not long
*/
public double getAsDoubleOrDefault(String key, double defaultValue)
throws ClassCastException, ValueNotFoundException {
Object value = get(key);
if(value == null)
return defaultValue;
return ((Number) value).doubleValue();
}
/**
* Returns value by given key as boolean
* or second method argument if value with such key is not present
* @param key key of value
* @param defaultValue to be returned if value with given key is not present
* @return long value by given key or default value
* @throws ClassCastException if value present and it type is not boolean
*/
public boolean getAsBooleanOrDefault(String key, boolean defaultValue)
throws ClassCastException, ValueNotFoundException {
Object value = get(key);
if(value == null)
return defaultValue;
return ((Boolean) value);
}
}